#include <bits/stdc++.h>
int main(){
    using namespace std;
    int n, s, m, ans = 0;
    vector<int> arr;
    cin >> n >> s >> m;
    arr.push_back(0);
    for(int i = 0; i < n * 2; i++){
        int tmp;
        cin >> tmp;
        arr.push_back(tmp);
    }
    sort(arr.begin(), arr.end());
    for(int i = 0; i < 2 * n; i += 2){
        if(ans < arr[i + 1] - arr[i])ans = arr[i + 1] - arr[i];
    }
    if(ans < m - arr[arr.size() - 1])ans = m - arr[arr.size() - 1];
    if(ans >= s){
        cout << "Bang Dream it’s MyGO!!!";
    }
    else cout << "你这个人只想着你自己";
    return 0;
}